Home / 38,346.70-52,917.15-21,576.46

Finding the Fourth Proportional to 38,346.70, 52,917.15 and 21,576.46

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Solution

The fourth proportional to 38,346.70, 52,917.15 and 21,576.46 is: 29,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.70 : 52,917.15 = 21,576.46 : x
  2. Step 2: Convert to fraction form
    38,346.70/52,917.15 = 21,576.46/x
  3. Step 3: Cross multiply
    38,346.70x = 52,917.15 × 21,576.46
  4. Step 4: Simplify right side
    38,346.70x = 1,141,764,770.29
  5. Step 5: Solve for x
    x = 1,141,764,770.29/38,346.70
  6. Step 6: Final answer
    x = 29,774.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.